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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 21:04:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 21:04:56 -0700
commit95e14ed7fc4b2db62eb597a70850a0fede48b78a (patch)
tree63d5dacd5ce094c9c48ce426e38440fba6565e51
parent00a2470546dd8427325636a711a42c934135dbf5 (diff)
parent0d3db28daed2529ab90933a3aaaaf46446fdfda8 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kdb: add usage string of 'per_cpu' command kgdb,x86_64: fix compile warning found with sparse kdb: code cleanup to use macro instead of value kgdboc,kgdbts: strlen() doesn't count the terminator
-rw-r--r--arch/x86/kernel/kgdb.c4
-rw-r--r--drivers/misc/kgdbts.c2
-rw-r--r--drivers/tty/serial/kgdboc.c2
-rw-r--r--kernel/debug/kdb/kdb_main.c4
4 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index dba0b36941a..5f9ecff328b 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -121,8 +121,8 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
dbg_reg_def[regno].size);
- switch (regno) {
#ifdef CONFIG_X86_32
+ switch (regno) {
case GDB_SS:
if (!user_mode_vm(regs))
*(unsigned long *)mem = __KERNEL_DS;
@@ -135,8 +135,8 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
case GDB_FS:
*(unsigned long *)mem = 0xFFFF;
break;
-#endif
}
+#endif
return dbg_reg_def[regno].name;
}
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index 59c118c19a9..27dc463097f 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -988,7 +988,7 @@ static void kgdbts_run_tests(void)
static int kgdbts_option_setup(char *opt)
{
- if (strlen(opt) > MAX_CONFIG_LEN) {
+ if (strlen(opt) >= MAX_CONFIG_LEN) {
printk(KERN_ERR "kgdbts: config string too long\n");
return -ENOSPC;
}
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index 25a8bc565f4..87e7e6c876d 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -131,7 +131,7 @@ static void kgdboc_unregister_kbd(void)
static int kgdboc_option_setup(char *opt)
{
- if (strlen(opt) > MAX_CONFIG_LEN) {
+ if (strlen(opt) >= MAX_CONFIG_LEN) {
printk(KERN_ERR "kgdboc: config string too long\n");
return -ENOSPC;
}
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index bd3e8e29caa..6bc6e3bc4f9 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -78,7 +78,7 @@ static unsigned int kdb_continue_catastrophic;
static kdbtab_t *kdb_commands;
#define KDB_BASE_CMD_MAX 50
static int kdb_max_commands = KDB_BASE_CMD_MAX;
-static kdbtab_t kdb_base_commands[50];
+static kdbtab_t kdb_base_commands[KDB_BASE_CMD_MAX];
#define for_each_kdbcmd(cmd, num) \
for ((cmd) = kdb_base_commands, (num) = 0; \
num < kdb_max_commands; \
@@ -2892,7 +2892,7 @@ static void __init kdb_inittab(void)
"Send a signal to a process", 0, KDB_REPEAT_NONE);
kdb_register_repeat("summary", kdb_summary, "",
"Summarize the system", 4, KDB_REPEAT_NONE);
- kdb_register_repeat("per_cpu", kdb_per_cpu, "",
+ kdb_register_repeat("per_cpu", kdb_per_cpu, "<sym> [<bytes>] [<cpu>]",
"Display per_cpu variables", 3, KDB_REPEAT_NONE);
kdb_register_repeat("grephelp", kdb_grep_help, "",
"Display help on | grep", 0, KDB_REPEAT_NONE);